<template>
    <div class="shopcar-container">
    <!-- 商品列表项区域 -->
       <div class="goods-list">
           <div class="mui-card" v-for="(item ,i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
					    <mt-switch @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"
                        v-model="$store.getters.getGoodsSelected[item.id]"></mt-switch>
                        <img :src="item.thumb_path" alt="" class="">
                        <div class="info">
                            <h1>{{item.title}}</h1>
                            <p>
                                <span class="price">￥{{item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <!-- 如何从购物车中获取商品的数量 -->
                                <!-- 1、可以创建一个空对象，然后循环购物车中所有的商品数据，
                                把当前循环这条商品的id，作为属性名，count值作为对象的属性值，
                                这样，当把所有的商品循环一遍，就会得到一个对象，{21：10，52：1，32，1} -->
                                <a href="#" @click.prevent="remove(item.id,i)">删除 </a>
                            </p>
                        </div>
                    </div>
				</div>
			</div>
       </div>
    <!-- 结算区域 -->
       <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
						<div class="left">
                            <p>总计（不含运费）</p>
                            <p>已勾选商品<span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span>件，总价 <span class="red">￥{{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
                        </div>
                          <mt-button type="danger" >去结算</mt-button>
					</div>
            	</div>
			</div>
            <!-- <p>{{$store.getters.getGoodsSelected}}</p> -->
    </div>
</template>
<script>
import numbox from '../subcomponents/shopcar_numberbox.vue'
export default {
    data(){
        return{
            goodslist:[],
        }
    },
    created(){
        this.getcatlist()
    },
    methods:{
        //
        getcatlist(){
            //获取到store所有的商品id，然后拼接出一个用逗号分割的字符串
            var idArr = []
            this.$store.state.cart.forEach(item =>{
                idArr.push(item.id)
            })
            //如果购物车没有数据，就直接返回，不需要请求数据接口，否则会报错
            if(idArr.length<=0){
                return;
            }
            this.axios.get('api/goods/getshopcarlist/' + idArr.join(",")).then(result=>{
                if(result.data.status === 0){
                    this.goodslist = result.data.message
                }
            })
        },
        remove(id,index){//点击删除，把商品从store中根据传递过来的id进行删除操作，
                         //同时把当前组件中goodslist中，对应要删除的那个商品，使用index来删除
             this.goodslist.splice(index,1)
             this.$store.commit('removeFromCart' , id)
            
        },
        selectedChanged(id,val){//每当点击开关，把最新的开关状态，同步到store中
            //console.log(id +  "---" +val)
            this.$store.commit('updateGoodsSelected',{id,selected:val})
        }
    },
    components:{
        numbox
    }
}
</script>
<style lang="scss" scoped>
.shopcar-container{
    background-color: #eee;
    overflow: hidden;
    .goods-list{
        img{
            
            width:60px;
            height: 60px;
        }
        .info{
            margin-left: 2px;
            .price{
                color: red;
                font-weight: bold;
            }
            h1{
               font-size: 13px;
            }
           // margin: 0 5px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            //padding: 10px ;
            p{
               margin: 5px ;
            }
            
        }
        .mui-card-content-inner{
            display: flex;
            align-items: center;
            //justify-content: space-between;
        }
    }
    .jiesuan{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color: red;
            font-weight: bold;
            font-size: 16px;
        }
    }
}
</style>